ALL RIGHTS RESERVED. No part of this publication may be reproduced in any form, by
photocopy, microfilm, retrieval system, or by any other means now known or hereafter invented without
the prior written permission of PTEK LLC.
The information in this publication has been carefully checked and is believed to be accurate. However,
PTEK assumes no responsibility for inaccuracies. PTEK LLC retains the right to make changes to this
publication at any time without prior notice. PTEK does not assume any liability arising from the
application or use of this publication or the product(s) described herein.
RESTRICTED RIGHTS LEGEND: Use, duplication, or disclosure by the United States Government
is subject to the restrictions set forth in DFARS 252.227-7013 (c)(1)(ii) and FAR 52.227-19.
TRADEMARKS and SERVICEMARKS
®
PTEK
All other trademarks, servicemarks, or registered trademarks used in this publication are the property of
their respective owners.
is a registered trademark of PTEK LLC (Limited Liability Corporation).
PTEK Customer Support
FM150ES Operating Manual and User Guide, Version 1.0
March 2009
Part Number: 100101-001
FM150ES Operating Manual and User Guide
Revision History
Version 1.0......................................................................................... March 2009
Version 1.1......................................................................... ................... July 2009
PTEK Corporation
iii
FM150ES Operating Manual and User Guide
Limited Warranty
PTEK LLC (SELLER) warrants that products are free from defects in material and workmanship and meet the
performance specifications stated; however:
A. SELLER liability under this Warranty is limited to repairing or replacing, at its option, any product
delivered not conforming to this Warranty;
B. This Warranty is limited to a period of three years;
C. Minor deviations from specifications that do not affect performance are excluded from this W arranty;
and
D. SELLER shall be liable under this Warranty only if:
1. SELLER is promptly notified in writing by the BUYER upon d isco very of th e failure of any
product to conform to this Warranty,
2. The product is returned to the SELLER, with transportation charges prepaid by the BUYER,
3. The Product is received by SELLER not later than ten (10) days after the last day of the two-
year period of this Warranty, and
4. SELLER examination of the product discloses the SELLER’s reasonable satisfaction that
such defects or failures as may exist have not been caused by misuse, neglect, improper installation, repair, alteration, accident, or shipping.
The BUYER will repay freight to and from SELLER on products serviced here under at SELLER’s plant; but
SELLER may, at its option, elect to perform any repairs here under at the BUYER’s place of business.
The foregoing constitutes SELLER’s entire Warranty expressed, implied, and/or statutory, except as to title, and
state the full extent of SELLER’s liability to the BUYER or to any other party for any breach of such Warranty
and for damages, whether direct, special, incidental, or consequential; and other than as expressly provided in
this document. No Warranties, expressed or implied, including any Warranty or merchant ability or of fitness for
a particular purpose, are made. No employee, representative, or agent of SELLER has any authority, expressed or
implied, to alter or to supplement the terms of this Warranty.
Warranty Service
The Limited Warranty covers parts and labor to the original purchaser for three years. Damage caused by misuse
or shipping is excluded from the Warranty.
PTEK
Customer Service Manager
1723 Little Orchard Street—Unit D
San Jose, CA 95125
(408) 448-3342
iv
PTEK Corporation
Safety Instructions
To maximize user safety and ensure correct device operation, all instructions contained in this section should be read carefully.
Caution: It is important that the user observe all warnings and instructions that
are on the device and contained in this manual.
Before Applying Power
Warning: DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE
Operation of the FM150ES in the presence of flammable gasses or fumes can
endanger persons proximate to the site of operation.
FM150ES Operating Manual and User Guide
Safety Instructions
Verify that the line voltage is 115VAC.
Ground the Exciter
Caution: NO NOT REMOVE THE EXCITER COVER
Removal of the exciter cover will invalidate the FM150ES Warranty. Component replacement and internal adjustments must be made only by PTEK qualified service personnel.
To minimize shock hazard, the exciter chassis must be connected to an electrical
ground, the exciter must be connected to the AC power mains through a three-conductor power cable, with the third wire connected to an electrical ground (safety
ground) at the power outlet. Any interruption of the protective (grounding) conductor or disconnection of the protective earth terminal will cause a potential
shock hazard that could result in personal injury . If the exciter is to be ener gized by
any other source be certain that the chassis is connected to a separate safety
ground.
PTEK Corporation
v
FM150ES Operating Manual and User Guide
Fuses
Only fuses with the same required current, voltage rating, and specified type (normal blow, time delay, etc.) should be used. Do not use repaired fuses or short-circuited fuseholders. To do so could cause a shock or fire hazard.
Output Connector
Warning: The type-N output connector carries dangerously high RF voltages
that present shock and burn hazards. Never operate the FM150ES exciter without properly terminating the output connector in either an adequately rated load
or antenna.
Electrostatic Discharge (ESD)
A sudden discharge of electrostatic electricity can destroy static-sensitive devices
or micro-circuitry. Proper packaging and grounding techniques are necessary precautions to prevent damage. Always take industry-standard precautions.
Grounding Methods
Guard against electrostatic damage at workstations by following these steps:
1. Cover workstations with approved anti-static material. Provide a wrist strap connect-
ed to a work surface and properly grounded tools and equipment.
2. Use anti-static mats, heel straps, or air ionizers to give added protection.
3. Handle electrostatic-sensitive components, boards, and assemblies by the case or the
PCB edge.
4. Avoid contact with pins, leads, or circuitry.
5. Turn off power and input signals before inserting and removing connectors or test
equipment.
6. Keep the work area free of non-conductive materials such as ordinary plastic assem-
bly aids and Styrofoam.
7. Use field service tools, such as cutters, screwdrivers, and vacuums that are conduc-
tive.
vi
PTEK Corporation
General Safety Rules
• The device must be used in accordance with the instructions for use.
• Electrical installations in the room must correspond to the requirements of respective regulations.
• Take care that there are no cables, particularly mains cables, in areas where persons can trip
over them.
• Do not use a mains connection in sockets shared by a number of other power consumers. Do
not use an extension cable.
• Only use the mains cable supplied.
• The unit is completely disconnected from the power source only when the power cord is disconnected from the power source. Therefore the power cord and its connectors must always
remain easily accessible.
• Do not set up the device in the proximity of heat sources or in a damp location. Make sure
the device has adequate ventilation.
FM150ES Operating Manual and User Guide
Safety Instructions
• All plugs on the connection cables must be screwed or locked to the chassis housing.
• The device is designed to be used in horizontal position only.
• The device is no longer safe to operate when the device has visible damage or the device no
longer functions.
• In case of system malfunction or visible damage to the FM150ES, the device must be shut
down and secured against unintentional operation.
• Repairs may only be carried out by a person authorized by PTEK LLC.
• If extensions are made to the FM150ES, the legal stipulations and the device specifications
must be observed.
• The FM150ES must be switched off when removing the top cover.
PTEK Corporation
vii
FM150ES Operating Manual and User Guide
viii
PTEK Corporation
Table of Contents
Limited Warranty ................................................................................................................. iv
Warranty Service .................................................................................................................. iv
Table 1-3 Typical Noise Levels of the FM150ES........................................................... 1-6
Table A-1 Accessory Port Pinout Signal Descriptions ................................................... A-2
xii
PTEK LLC
Preface
This document, entitled FM150ES Operating Manual and User Guide, provides
instructions on how to install, configure, power up, and perform diagnostics on the
150-watt PTEK FM150ES FM Stereo Broadcast Transmitter (see photo below), an
easy-to-use and versatile system that can be used in either stand-alone or backup
mode. The information contained within is intended for an experienced system operator with a knowledge of high-performance broadcast transmission systems.
The 2RU-high (3.5”) FM150ES is designed to fit a standard 19” rack and is provided
with rack-mount left and right brackets and handles. Optional rack-mount slides are
also available. The FM150ES is rugged enough to withstand extreme shock (up to
5G), temperature (up to 50°C), and EMI such as that associated with broadcasting
from remote rugged environments.
PTEK LLC
FM150ES FM Stereo Broadcast Transmitter
xiii
FM150ES Operating Manual and User Guide
Key features of the FM150ES FM Stereo Broadcast Transmitter include:
• Totally solid-state no-tune construction
• Wide input range from 88 to 264 VAC
• 3-year warranty on all parts and labor
• Built-in field-programmable FSK ID for translator use
• Remote-control interface
• Optional built-in stereo encoder
• Rugged design withstands up to 5G forces and 50°C
• Meets or exceeds all FCC and CCIR standards
• Designed and manufactured in the United States
The FM150ES is FCC-certified for use on LPFM stations. Frequency stability for
each unit is ensured by using PLL (phase-locked loop) frequency synthesis from a
highly stable crystal oscillator . All units incorporate ove r -temperature protection and
VSWR foldback to automatically reduce power output to safe operating levels.
Switch-mode power supplies provide consistent performance even when there are
frequent power outages and voltage fluctuations that make stressful demands on
power dependence.
An overview and specifications of the FM150ES FM Stereo Broadcast Transmitter
is given in Chapter 1, "Overview and Specifications", of this manual.
Website Information
PTEK corporate and product information may be accessed on the World Wide Web
by browsing the website http://www.ptekpower.com.
Your Comments are Welcome
We are interested in improving our documentation and welcome your comments and
suggestions. You can email your comments to us at docfeedback@ptekpower.com.
Please include the document part number in the subject line of your email.
xiv
PTEK LLC
Preface
Notes, Cautions, Warnings, and Sidebars
Notes, Cautions, Warnings, and Sidebars
The following icons and formatted text are included in this document for the reasons
described:
Note: A note provides additional information concerning the procedure or action
being described.
Caution: A caution describes a procedure or action that may result in injury to the operator or equipment. This may involve—but is not restricted to—heavy equipment or
sharp objects. T o reduce the risk, follow the instructions accompanying this symbol.
Warning: A warning describes a procedure or action that may cause injury to the
operator or equipment as a result of hazardous voltages. To reduce the risk of electrical shock and danger, follow the instructions accompanying this symbol.
Sidebar: A “sidebar” adds detail to the section within which it is placed,
but is not absolutely vital to the description or procedure of the section.
PTEK LLC
xv
FM150ES Operating Manual and User Guide
xvi
PTEK LLC
General
Section
1.1Overview
The 2RU-high (3.5”) FM150ES FM Stereo Broadcast Transmitter is designed to
fit a standard 19” rack and is provided with rack-mount left and right brackets and
handles. Optional rack-mount slides are also available. The FM150ES is rugged
enough to withstand extreme shock (up to 5G), temperature (up to 50°C), and EMI
such as that associated with broadcasting from remote rugged environments. (see
Figure 1-1; a block diagram is given in Figure 1-2, page 1-2). The FM150ES supports Mono, Wideband Stereo (left and right) and SCA inputs, ideal for a variety of
commercial and dedicated stereo broadcast transmission applications.
Chapter
1FM150ES FM Stereo Broadcast Transmitter
Overview and Specifications
PTEK LLC
Figure 1-1. FM150ES FM Stereo Broadcast Transmitter
1-1
FM150ES Operating Manual and User Guide
MPX
SCA
Mono
VAC
VAC
Audio Input
Power
Switching
Supply
Power
Switching
Supply
48V
24V
VCO
PLL
24V
RF DriverRF Amplifier
Frequency Data
36V
LPF
Level-Control
Microprocessor
Metering
Figure 1-2. FM150ES System Block Diagram
Directional
Coupler
LCD Display
Forward & Reverse RF Power
Deviation
Final Output Volts & Amperes
Handle
The FM150ES is designed within a 2RU-high (3.5”) form-factor that is 13.75” (34.9
cm) deep (including the front panel and rear protective flanges; the chassis body itself
is 13” deep) and 17” (43.2 cm) wide (19” including the front panel to fit a standardsize rack).
Features on the FM150ES front panel are shown in Figure 1-3.
Standby Key
Operate Key
Meter Function Key
Raise Key
Lower Key
Handle
Air Vent (Filter Behind)
1-2
Figure 1-3. FM150ES Front Panel
PTEK LLC
Front
Control and
Metering Board
Overview and Specifications
Overview
Major internal components of the FM150ES can be seen in the open top view (cover
removed) displayed in Figure 1-4 (A). Features on the FM150ES rear panel are
shown in Figure 1-4 (B).
High power amplifier
and Harmonic Filter
AC Power Supplies (2)
Rear Protective Flange
(1 of 2)
AFM150ES Top View (Cover Off)
BFM150ES Rear Panel
Fuse (10A)
AC Input
Balanced Audio (Left Stereo Input)
Balanced Audio (Right Stereo or Mono)
Frequency Generation
& Audio Processing
SCA Input
Composite Input
Control Board
Exciter Board
(underneath Power Supplies)
RF Output
Accessory PortDual Cooling Fans
PTEK LLC
Figure 1-4. FM150ES Open Top View (A) and Rear Panel (B)
1-3
FM150ES Operating Manual and User Guide
1.2Specifications
1.2.1General
Table 1-1 lists general specifications for the FM150ES.
Table 1-1. FM150ES General Specifications
ParameterDescription
Dimensions
Weight
19” Rack-Mountable
with Slide capability
Temperature
Operating:
Non-Operating:
Relative Humidity
Operating:
Non-Operating:
z 3.5” (2RU) high
z 17” (43.2 cm) wide (19” including the front panel)
z 13.75” (34.9 cm) deep (including the front panel and rear protective flanges;
the chassis body itself is 13” deep)
Total shipping weight is under 33.5 pounds (15.2 kg) and includes the following:
z Chassis = under 24 pounds (10.9 kg), including two AC power supplies
z Add 8.5 pounds (4 kg) for the shipping container and one AC power cord
z The manual and associated shipping paperwork weigh approximately 1 lb
(0.5 kg)
z Left and right rack-mount tabs and handles are attached directly to the chas-
sis. Rack-mount slides are optional.
z 0°C to +50°C
z –40°C to +70°C
z 8% to 90% non-condensing
z 5% to 95% non-condensing
Maximum Wet Bulb
Operating:
Non-Operating:
Altitude
Operating:
Non-Operating
1-4
z 27°C, non-condensing
z 35°C, non-condensing
z 0 to 10,000 feet above sea level
z 0 to 40,000 feet above sea level
PTEK LLC
1.2.2Electrical
Table 1-2 lists the electrical specifications for the FM150ES.
ParameterDescription
Overview and Specifications
Specifications
Table 1-2. FM150ES Electrical Sp ecifications
Frequency Range
Audio Input Impedance
Audio Input Level (Composite)
Audio Input Level R & L Stereo Encoder (optional)
Frequency Response (Composite)
Pre-Emphasis
Harmonic Distortion
Signal-to-Noise Ratio
RF Output Impedance
Output Connector
RF Power Output
Harmonic Attenuation
Power Requirements
Fuse
z 87.7 MHz to 108 MHz
z 600 ohms
z –10 dBm
z –10 dBm
z 20 Hz to 15(90) KHz
z 50 or 75 uS
z < 0.15% max
z > 80 dB rms
z 50 ohms
z N-type female
z 175 watts
z < –70 dB
z 88–264 VAC, internally fused
z MDA 10 Amperes, 250 Volts AC
PTEK LLC
1.2.2.1System Power
The FM150ES can be ordered with two AC power supplies (default).
AC Power Supply
Each AC power supply has a 300-watt output capacity that auto-ranges single-phase
AC input from a 88 to 264 VAC (47 to 63 Hertz) source.
Filtered and fused (internal) AC is supplied from a rear-mounted power connection.
DC Power Supply
Each DC power supply has a 300-watt output capacity.
1-5
FM150ES Operating Manual and User Guide
1.2.3Environmental
1.2.3.1Shock
The FM150ES is designed to survive an elevated shock environment. All structural
components are welded together, enabling the system to survive a maximum 3-axis
shock load of 5G at 20-msec duration.
1.2.3.2Electrostatic Discharge
The FM150ES is designed to tolerate electrostatic pulses up to 15 kilovolts (KV)
with no impact on system operation.
1.2.3.3Noise Level
Typical noise levels emitted by the FM150ES are outlined in Table 1-3. The chassis
is installed with two 60-mm fans mounted side-by-side at the rear of the system. In
addition, each AC power supply has its own cooling fan.
Table 1-3. Typical Noise Levels of the FM150ES
Measured at: 1 Meter2 Meters
Front66.24 dB57.57 dB
Rear61.53 dB57.93 dB
1-6
PTEK LLC
1.3Packaging and Shipping
The FM150ES FM Stereo Broadcast Transmitter is packaged in a reusable shipping
container. Approximate weight of an empty container and one (1) AC power cord is
9 pounds (4 kg).
The approximate weight of an FM150ES (installed with two power supplies) is
under 15 pounds (6.8 kg).
The approximate weight of a manual and associated shipping paperwork is one (1)
pound (0.5 kg).
Therefore, both the shipping container and a fully installed FM150ES including
power cord, manual, and associated paperwork, weigh under 25 pounds (11.3 kg).
1.3.1Rack-Mount Slides (Optional)
Overview and Specifications
Packaging and Shipping
Rack-Mount slides (optional) can be installed on each side of the FM150ES for the
purpose of sliding the unit easily in and out of a 19” rack using the convenient front
handles. Rack-mount slides should be ordered at the time of purchase.
To learn how to install rack-mount slides, refer to Appendix B, “Rack-Mount Slide
Installation”, on page B-1.
PTEK LLC
1-7
FM150ES Operating Manual and User Guide
1-8
PTEK LLC
2FM150ES
Installation
Section
2.1Installation Procedures
Chapter
2
Installation
Caution: Use industry-standard ESD grounding techniques when handling all
components. Wear an antist atic wrist strap and use an ESD-protected mat. Store
ESD-sensitive components in antistatic bags before placing them on any surface.
Handle all IC cards by the front panel or edges only.
There are no operator serviceable parts inside the FM150ES; therefore, replacement,
inspection, or adjustment of internal components within the FM150ES requires service by a PTEK technician only. DO NOT REMOVE THE TOP PROTECTIVE
COVER OF THE FM150ES CHASSIS (see following Warning).
Warning: Removal of the top protective cover of the FM150ES by anyone other
than an authorized PTEK technician will void the product warranty.
PTEK LLC
2-1
FM150ES Operating Manual and User Guide
2.2Removing the Protective Top Cover
Warning: Make sure that the AC power cord is removed from the AC input connector on the rear of the FM150ES before removing the protective top cover.
Open the FM150ES FM Stereo Broadcast Transmitter as follows:
1. Remove the protective top cover of the FM150ES by loosening the two Phil-
lips screws on each side of the chassis (see Figure 2-1).
Phillips Screws (2)
Figure 2-1. FM150ES Right-Side Top Cover Phillips Screws
2. Store the cover and screws in a safe place until replaced.
2.3Removing a Power Supply
The FM150ES FM Stereo Broadcast Transmitter contains two AC power supplies. A
single mounting plate is used to secure both power supplies to the FM150ES chassis.
Therefore, the mounting plate must first be removed from the chassis before either
power supply can be removed.
2-2
PTEK LLC
Removing a Power Supply
Perform the following steps to remove a power supply:
1. Remove the four Phillips screws that secure the mounting plate to the four
standoffs attached to the FM150ES chassis (see Figure 2-2).
Installation
Phillips ScrewPhillips Screw
Mounting Plate
4
5
PTEK LLC
Phillips Screw
Figure 2-2. Remove the Four Phillips Screws from the Power Supply Mounting Plate
Phillips Screw
1
23
2. Five wires must be disconnected before the mounting plate with its power
supplies can be totally removed from the chassis. These are numbered 1 to 5
in Figure 2-2. A detailed close-up is shown in Figure 2-3 on page 2-4.
2-3
FM150ES Operating Manual and User Guide
Note: Red wires 4 & 5 may be
connected to the same
terminal on some units.
To Power Amplifier (Red)
45
Fuse (Black)
2-4
1
AC Input (White)
2
Figure 2-3. Disconnect Five Wires before Removing Power Supplies
Note: In some FM150ES systems, red wires 4 and 5 may be connected to the
same power supply terminal.
To Control Board (Black)
3
PTEK LLC
3. Pull the mounting plate and power supplies until they are free of the chassis.
Caution: When pulling a mounting plate and power supplies from the chassis, hold them at the bottom to prevent dropping and damaging the unit.
4. Carefully turn the mounting plate and power supplies over to expose the bottom of the mounting plate.
Each power supply is held to the mounting plate with four M4 Phillips
screws. Loosen and remove the screws from the power supply being replaced
or removed from the system.
2.4Changing the Fuse
Installation
Changing the Fuse
The FM150ES FM Stereo Broadcast Transmitter contains a fuse rated at MDA 10A,
250V that is installed within an easily removed fuse holder (see Figure 2-4).
Turn counterclockwise
to remove fuse holder
Fuse Holder (Top View)
Fuse Holder (Rear View)
Figure 2-4. Remove Fuse Holder to Remove Fuse
PTEK LLC
To remove the fuse, turn the cap of the fuse holder (located at the rear of the chassis)
counterclockwise until it can be removed from the fuse holder body. Pull the fuse
from the cap and replace it with a fuse of the same value.
2-5
FM150ES Operating Manual and User Guide
2.5Cleaning the Air Filter
Accessing the air filter requires removing the front panel of the FM150ES.
1. Remove the 4 Phillips screws on the FM150ES front panel (see Figur e 2-5).
ScrewScrew
Air Filter
Air Vent
Screw
Screw
Figure 2-5. Remove the Front Panel Screws to Access the Air Filter
2. Remove the air filter (see Figure 2-6), then carefully wash it with mild soap
and water .
Figure 2-6. Remove the Exposed Air Filter
3. Check that the exposed air vent holes are unobstructed.
2-6
Figure 2-7. Make Sure the Air Vent Holes are Unobstructed
4. After the air filter has been dried, replace it and the front panel. Make sure the
front panel screws are fully tightened.
PTEK LLC
2.6Rack Mounts
Rack-mount brackets (or flanges)—which are built into the chassis and therefore not
removable—are used to secure the FM150ES chassis to a 19” rack.
Rack-mount slides are used to pull the FM150ES away from the rack for easier
access.
2.6.1Mounting Brackets
Use the following steps to secure a FM150ES chassis to a 19” rack.
1. With the help of a second person, carefully insert the FM150ES chassis into
the 19” rack (see Figure 2-8).
Installation
Rack Mounts
19” Rack
Mounting
Bracket
Left
Right
Mounting
Bracket
Figure 2-8. Left and Right Rack-Mount Brackets
2. Using four M4 roundhead screws with corresponding lock washers and nuts,
attach the FM150ES chassis to the 19” rack through the four mounding holes
of the mounting brackets.
Caution: Make sure to tighten each mounting screw to assure that the
FM150ES chassis is firmly installed onto the 19” rack.
PTEK LLC
2-7
FM150ES Operating Manual and User Guide
2.6.2Rack-Mount Slides (Optional)
Rack-Mount Slides can be mounted on each side of the FM150ES FM Stereo Broadcast Transmitter for the purpose of sliding the unit in and out of a rack. Mounting
slides are optional and should be ordered at the time your system is purchased.
To learn how to install rack-mount slides, refer to Appendix B, “Rack-Mount Slide
Installation”.
Caution: Any screws used to mount a slide to a FM150ES chassis must not exceed
a length of 3/8” to prevent excessive penetration of the chassis.
2-8
PTEK LLC
Operation
Section
This chapter describes:
• How to set up the FM150ES system to begin operation
2FM150ES
Chapter
3
Operation
• How to turn the FM150ES on and off
• How to monitor and change the operational settings of the FM150ES
3.1Set Up the System
To successfully operate the FM150ES FM Stereo Broadcast Transmitter, an antenna
(or power amplifier) and an audio source must first be connected to the system, as
outlined in the following steps:
1. Connect the antenna or power amplifier input to the RF output connector on
the rear panel of the FM150ES (see Figure 3-1 on page 3-2).
2. Connect the audio input to one of the following connectors the rear panel:
• Composite Input
• Mono Input
• Balanced Stereo Left and Right (if equipped with stereo encoder)
PTEK LLC
2-1
FM150ES Operating Manual and User Guide
Fuse (10A)
AC Input
Balanced Audio (Left Stereo Input)
Balanced Audio (Right Stereo or Mono)
RF Output
SCA Input
Accessory PortDual Cooling Fans
Composite Input
Figure 3-1. FM150ES Rear-Panel Connectors
3.2Power Up the System
1. On the rear of the FM150ES, plug an AC power cord (shipped with each unit)
into the AC power socket (see Figure 3-2 on page 3-3).
2. Plug the other end of the AC power cord into a “live” AC outlet.
Note: There is no On/Off switch (key) on the FM150ES FM Stereo
Broadcast Transmitter. As soon as power is introduced to the system
through an AC power cord attached to a “live AC outlet, if the system was
powered off while in Standby mode, the system will again enter Stand-by mode and the light on the ST ANDBY key on the front of the FM150ES
will turn red.
If the system was powered off while not in Standby mode, it will begin the
startup sequence described in the section “Startup Sequence” on page 3-4.
3-2
3. Make sure the STANDBY key on the front of the FM150ES has turned red
(or the system has begun the startup sequence), thus assuring that the system
has powered on (see Figure 3-3, page 3-3).
PTEK LLC
AC Power Cord
Operation
Power Up the System
AC Power Socket
Figure 3-2. Plug the Power Cord into the FM150ES AC Power Socket
PTEK LLC
Before power is applied to the system, the STANDBY key LED is offA
After power is applied to the system, the STANDBY key LED turns redB
Figure 3-3. After Power has been Applied to the FM150ES, it enters Standby mode
3-3
FM150ES Operating Manual and User Guide
3.3Getting Started
3.3.1Startup Sequence
1. Press the OPERATE key on the front of the FM150ES.
2. After the OPERATE key is enabled, the LED display will show the initializ-
ion sequence and display the screens—in order—shown in Figure 3-4.
If frequency is correct, wait until timer expi re s
Initial screen after power onTo change frequency, press FUNCTION key
RAISE or LOWER
key pressed
Press RAISE key to increase frequency
Press LOWER key to decrease frequency
Press FUNCTION key to accept changed frequency
FUNCTION
key pressed
FUNCTION
key pressed
FUNCTION
key not pressed
3-4
After transmitter frequency is correct,
use the RAISE or LOWER key to set
the power output level
Figure 3-4. After the OPERATE Key is Pressed, the Startup Sequence Begins
PTEK LLC
3.3.2Changing the Stereo Encoder
After changing the frequency in the startup sequence (see previous page), you have
the option of changing the Stereo Encoder setting:
1. If the LCD screen displays the desired setting (Stereo Encoder OFF or ON),
press the FUNCTION key to accept the setting (see Figure 3-5).
Operation
Getting Started
Figure 3-5. Stereo Encoder Can be Changed Through the LCD Display
2. To change the Stereo Encoder setting, press the RAISE or LOWER key,
which will result in the alternate setting (see Figure 3-6).
Figure 3-6. Press the RAISE or LOWER key to Change the LCD Display
PTEK LLC
3-5
FM150ES Operating Manual and User Guide
3.3.3Audio
Audio levels for the FM150ES have already been set and should not need to be
changed. Deviation can be checked by pressing the FUNCTION key until the appropriate LCD screen is reached (see Figure 3-7).
Figure 3-7. The Deviation Screen is Displayed through the FUNCTION Key
When the LCD display is in DEVIATION mode, the maximum deviation should
occasionally reach 100% (indicated by the thick bar). If the 100% level is never
reached or exceeds 100%, the level needs to be adjusted.
The output level from the audio source should be adjusted to give a peak deviation of
75 kHZ (as described above).
If the correct deviation cannot be obtained, the audio gain can be raised or lowered
by pressing the FUNCTION key until the appropriate LCD screen is reached (see
Figure 3-8).
Figure 3-8. Audio Gain Can be Adjusted Through the LCD Display
When the AUDIO GAIN screen appears, the value may be raised by pressing the
RAISE key or lowered by pressing the LOWER key until the desired deviation is
reached.
3-6
PTEK LLC
3.3.4Final Check
Pressing the FUNCTION key rotates the LCD display through the following
screens:
Note: At each screen, pressing the LOWER or RAISE key changes the output
power only. PA VOLTS and PA AMPS is another way of indicating the power
output, accomplished by multiplying the voltage by the amperage (current), then
multiplying the result by the efficiency.
Readings should be recorded weekly to keep track of changes, which may indicate developing problems auch as antenna or coax deterioriation.
1. After pressing the FUNCTION key on the front of the FM150ES, the operating frequency will appear on the LCD display (see Figure 3-9).
Operation
Getting Started
PTEK LLC
Figure 3-9. Press the FUNCTION Key to read Frequency
2. Pressing the FUNCTION key again will display the audio gain (see Figure
3-10).
Figure 3-10. Press the FUNCTION Key to read Audio Gain
3-7
FM150ES Operating Manual and User Guide
3. Pressing the FUNCTION key again will display the power output (volts multiplied by amps; see Figure 3-11).
Figure 3-11. Press the FUNCTION Key to read VOLTS & AMPS
4. Pressing the FUNCTION key again results in a screen showing forward power and reverse power (see Figure 3-12).
FWD PWR REV PWR
175 0W
Figure 3-12. Press the FUNCTION Key to read Forward & Reverse Power
5. A final pressing of the FUNCTION key will produce a screen showing deviation (see Figure 3-13).
|||||||||||||||||||||||||||||||||||||||||||| ||
Figure 3-13. Press the FUNCTION Key to read Deviation
As already noted, further pressing of the FUNCTION key will rotate the
LCD display through a queue of the same screens.
3-8
PTEK LLC
3.4Additional Adjustments
The FM150ES offers additional capabilities by pressing the LOWER, RAISE, and
FUNCTION keys simultaneously (see Figure 3-14).
Note: When pressing LOWER, RAISE, and FUNCTION, the FM150ES cannot
be in STANDBY mode.
The resulting LCD screens will appear as follows:
1. First,
Factory setup
Figure 3-15.
After a sew seconds, ____________
PTEK LLC
Press the FUNCTION key to display the next LCD screen.
3-9
FM150ES Operating Manual and User Guide
Caution do not change any of these setting
unless you have the proper test equipment
2.
3.
and are able to make the apropriate mea-
surements
Set pilot level
PRESS FUNC TO EXIT
Use the raise Lower Keys
Figure 3-16.
to adjust
Set ref frequency
PRESS FUNC TO EXIT
Figure 3-17.
4.
3.5Tune Up the Antenna
After the FM150ES is transmitting on the desired frequency (refer to Section 3.3,
“Getting Started,” on page 3-4), check the reverse power, which should be zero.
Anything greater than 5 percent of the forward power (i.e., 5W for a 100W output)
requires attention.
3-10
If the reverse power is higher than 5 percent, recheck the antenna tuning instructions.
PTEK LLC
3.6Power Down the System
To power down (turn off) the FM150ES FM Stereo Broadcast Transmitter, press the
STANDBY key, then disconnect the AC power cord from the AC power socket on
the rear panel of the chassis.
Operation
Power Down the System
PTEK LLC
3-11
FM150ES Operating Manual and User Guide
3-12
PTEK LLC
A
Appendix
Connector Pinouts
This appendix provides connector pinouts and signal descriptions for the user I/O
connectors that are installed on the FM150ES FM Stereo Broadcast Transmitter rear
I/O Panel (see Figure 1-4, page 1-3, in Chapter 1, "Overview and Specifications").
A.1Accessory Port
The FM150ES rear I/O Panel provides a 25-pin female DB25 connector as an accessory-port interface. A pinout is provided in Figure A-1; signal descriptions are
defined in Table A-1 on page A-2.
1Forward Power DC Indication 2.4V=600W
2Final Voltage DC Indication V=V/10
3Output Power out of range Hi (10V)
8Raise; Ground to raise the output power
10Serial; Used when 2 or more amplifiers are combined
13Remote On, Ground to turn the unit on (momentary)
14Reverse Power DC Indication 2.4V=600W
5,18,6,19 48V Output (Fan supply for combiners)
15Output Power out of range Lo (10V)
20Lower; Ground to lower the output power
21Final Current DC Indication Full scale = 2.5V
22Talk; Used when 2 or more amplifiers are combined
25Remote off, Ground to turn the unit off (momentary)
11,12,23,24 Ground
PinSignal Function
1Forward power DC indication; 2.4V = 150W2Final voltage DC indication; V = V/103Output power out of range Hi (10V)4Not used
5, 6, 18, 1924V outout (fan supply forcombiners)
7Not used8Lower; ground to lower the output power9Not used
10Not used
Table A-1. Accessory Port Pinout Signal Descriptions
11, 12, 23, 24Ground
13Remote off (ground to turntheunit off momentarily only)14Reverse power DC indication; 2.4V = 150W15Output power out of range Lo (10V)16Not used17Not used20Raise; ground to raisethe output power21Final current DC indication; Full scale = 2.5V22Not used25Remote on (ground to turntheunit on momentarily only)
A-2
PTEK LLC
B
Appendix
Rack-Mount Slide Installation
An optional set of two rack-mount slides (left side and right side) is available for all
FM150ES FM Stereo Broadcast Transmitter systems, and should be ordered at the
time of purchase. The FM150ES chassis contains two (2) threaded screw holes (see
Figure B-1 on page B-2) on each side to accommodate #10-32 size screws (included
with the rack-mount slide kit).
Dimensions of the screw-hole patterns on the sides of the FM150ES chassis for
installing rack-mount slides are shown in Figure B-2 on page B-3. The required
holes for specialized steel or aluminum slides will have to be measured, drilled, and
tapped before installation.
Caution: Any screws used to mount a slide to a FM150ES chassis must not exceed
a length of 3/8” to prevent excessive penetration of the chassis.
The rack-mount slide installation kit includes the following items:
a. Two inside slide sections
b. Two outside slide sections
c. Two front (short) slide brackets
d. Two rear (long) slide brackets
e. Assorted screws, washers, and nuts
Follow these steps to install a steel rack-mount slide to the FM150ES chassis:
PTEK LLC
B-1
FM150ES Operating Manual and User Guide
1. Attach the inside slide section (see Figure B-3 on page B-3) to both sides of
the FM150ES chassis using two #10-32 screws per side (see .
2. Measure the depth of the 19” equipment rack into which the FM150ES system
will be installed (this can vary from 24” to 30”).
3. Using the depth of the equipment rack, adjust and attach the front and rear
slide brackets to the outside slide section using the screws, washers, and nuts
provided with the slide kit.
4. W ith all slide brackets securely attached to both the right and left outside slide
sections, install both sections to the inside right and inside left of a 19” rack
with two bolts per bracket, making sure there is adequate room for the 2RU
height (3.5”) of a FM150ES system.
5. Carefully insert the FM150ES system into the 19” rack so that the inside
slides on both sides of the chassis travel smoothly into the channels of the outside slide sections. Push the system into the rack until the mounting brackets
on the front of the chassis are flush with the front of the rack.
6. Secure the FM150ES system to the 19” rack with two bolts on each side.
A CM14 bracket kit consists of two CM5 brackets for the front of the slide
and two CM14 brackets for adjustable mounting at the rear of the slide.
FM150ES Operating Manual and User Guide
Front View
B Recommended Rack-Mount Slide Mounting
B-4
CM 4
CM 1
CM 5
CM 2
Figure B-2. CLB-203 Rack-Mount Slide with Quick Disconnect
CM 6
CM 3
PTEK LLC
Index
Numerics
A
B
C
D
E
M
N
O
P
R
F
G
I
L
PTEK LLC
S
T
U
V
Index-1
FM150ES Operating Manual and User Guide
Apendix Setting the FSK Id
With the unit in the stand-by mode
Press and hold the Raise button; then switch the unit from
Stand-by to operate
Release the Button when this is displayed
on the LCD display
FSK ID TIMER
XXXXXX 00
Pressing the Function Button will increment the curser, pressing raise/lower
will change the character. When you are satisfied with both the CW ID and the
interval timer (which is in Minutes) press the function switch to bring the
curser to the first caracter then turn the unit to stand-by.
To disable the CW ID set the timer to 00.
After this is programmed the unit will send the set CW ID at the programmed
timer interval. With most FM receivers this id will be inaudible.
Apendix
PTEK Corporation
PTEK LLC
1723 Little Orchard Street—Suite D
San Jose, CA 95125
Attn: Publications Department
Place
Stamp
Here
Fold here; tape at top to seal
Reader Comment Card
We welcome your comments and suggestions to help improve the FM150ES Operating Manual and
User Guide. Please take time to let us know what you think about this manual.
•Information provided in the manual was complete.
Agree___Disagree___Not Applicable___
•Information was well documented and easy to follow .
Agree___Disagree___Not Applicable___
•Information was easily accessible.
Agree___Disagree___Not Applicable___
•The manual was useful.
Agree___Disagree___Not Applicable___
•Please write down any comments you may have about this manual, including how it can be